ContactTriggerLogic.java

Public Class ContactTriggerLogic Extends TriggerHandler {
  Map<Id,Account> newMap;
  
  Public ContactTriggerLogic() {
    this.newMap = (Map<Id, Account>) Trigger.newMap;
  }
  
  Public Contact addSnark(Contact c){
    if(!c.lastName.contains(' is awesome!')){
      c.lastName = c.lastName + ' is awesome!';
    }
    return c;
  }
  
  Public override void beforeInsert() {
    for(Contact c : newMap.values()){
      addSnark(c);
    }
  }
  
  //if your trigger definition included before update you could include
  Public override void beforeUpdate() {
    for(Contact c : newMap.values()){
      addSnark(c);
    }          
  }
}